[PATCH] D75071: [AMDGPU] use llvm_unreachable instead of default for rp set
Stanislav Mekhanoshin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 24 11:43:54 PST 2020
rampitec created this revision.
rampitec added reviewers: arsenm, kerbowa.
Herald added subscribers: hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.
GCC 9.2 seems to incorrectly issue warning about out of bounds
access. This situation should not happen in any way.
https://reviews.llvm.org/D75071
Files:
llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
Index: llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -1820,7 +1820,7 @@
return getRegPressureLimit(&AMDGPU::SGPR_32RegClass,
const_cast<MachineFunction &>(MF));
- return AMDGPUGenRegisterInfo::getRegPressureSetLimit(MF, Idx);
+ llvm_unreachable("Unexpected register pressure set!");
}
const int *SIRegisterInfo::getRegUnitPressureSets(unsigned RegUnit) const {
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